<template>
   <div class="whole-page three">
          <router-link to="/foo">返回</router-link>
          <h1>第三层</h1>
      
        </div>
</template>

<script>
// @ is an alias to /src

export default {
  name: "home"
};
</script>
<style scoped>
.three {
  background-color: #ffe69f;
  height: 100%;
  width: 100%;
}
</style>

